Home / 140,033.64-193,244.48-76,371.42

Finding the Fourth Proportional to 140,033.64, 193,244.48 and 76,371.42

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Solution

The fourth proportional to 140,033.64, 193,244.48 and 76,371.42 is: 105,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,033.64 : 193,244.48 = 76,371.42 : x
  2. Step 2: Convert to fraction form
    140,033.64/193,244.48 = 76,371.42/x
  3. Step 3: Cross multiply
    140,033.64x = 193,244.48 × 76,371.42
  4. Step 4: Simplify right side
    140,033.64x = 14,758,354,962.90
  5. Step 5: Solve for x
    x = 14,758,354,962.90/140,033.64
  6. Step 6: Final answer
    x = 105,391.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.